> Now things become clearer. I conclude what I have understand: A "connection"
> is an established socket connection (persistent connection) which may be
> re-used. libCurl opens as many connections as it needs for processing all
> easy handles added at a certain time. After an easy handles finishes, its
> connection is closed if the connection cache limit CURLMOPT_MAXCONNECTS is
> reached. Otherwise that connection is added to the cache and is re-used when
> possible. Is that correct ?